Marc Andreessen, co-founder and partner of Andreessen Horowitz, moderator Martin Giles (C), U.S. technology correspondent for The Economist, and Peter Thiel, partner of the Founders Fund, speak during the panel discussion "In Tech We Trust? A Debate with Peter Thiel and Marc Andreessen" at the Milken Institute Global Conference in Beverly Hills, California April 29, 2013. REUTERS/Fred Prouser (UNITED STATES - Tags: BUSINESS MEDIA)